PowerBook 140

Overview

The PowerBook 140 had a larger passive-matrix screen than the PB 100, a more efficient CPU, and a 2-hour NiCad battery (used on all PowerBook models from 140 to 180). It was replaced by the 25MHz PB 145 in August 1992.

Details

• introduced October 1991 at $3,000; discontinued August 1992
• requires System 7.0.1 or later
• 16MHz 68030 CPU
• 2MB RAM, expandable to 8MB using a special 100ns pseudostatic RAM card
• 20MB or 40MB hard drive standard
• ADB port for keyboard and mouse
• DIN-8 serial ports on back of computer
• PowerBook SCSI connector on back of computer
• proprietary modem slot
• weight: 6.8 pounds

Cautions

• Serial port limited to 57.6kbps; use of a 56k modem is not recommended.